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10221222010 = 251022122201
BaseRepresentation
bin10011000010011101…
…10111100001111010
3222101100000212200011
421201032313201322
5131413113101020
64410124132134
7511201645036
oct114116674172
928340025604
1010221222010
11437568241a
121b9309704a
13c6b79517c
146cd6ab1c6
153ec50a35a
hex2613b787a

10221222010 has 8 divisors (see below), whose sum is σ = 18398199636. Its totient is φ = 4088488800.

The previous prime is 10221221993. The next prime is 10221222013. The reversal of 10221222010 is 1022212201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9981808281 + 239413729 = 99909^2 + 15473^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (10221222013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511061091 + ... + 511061110.

Almost surely, 210221222010 is an apocalyptic number.

10221222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10221222010 is a deficient number, since it is larger than the sum of its proper divisors (8176977626).

10221222010 is a wasteful number, since it uses less digits than its factorization.

10221222010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022122208.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10221222010 its reverse (1022212201), we get a palindrome (11243434211).

The spelling of 10221222010 in words is "ten billion, two hundred twenty-one million, two hundred twenty-two thousand, ten".

Divisors: 1 2 5 10 1022122201 2044244402 5110611005 10221222010